FREE REPAIR MANUALS & LABOR GUIDES 1982-2013 Vehicles
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Car repair manuals for everyone.
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Lexus
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1995
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ES 300 V6-3.0L (1MZ-FE)
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Repair and Diagnosis
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A L L Diagnostic Trouble Codes ( DTC )
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Testing and Inspection
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P Code Charts
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P1600
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Description
Description
CIRCUIT DESCRIPTION
Battery voltage is supplied to terminal BATT of the ECM even when the ignition switch is OFF for use by the diagnostic trouble code memory and air-fuel ratio adaptive control value memory, ect.